Home / 28,777.33-43,118.47-13,160.53

Finding the Fourth Proportional to 28,777.33, 43,118.47 and 13,160.53

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Solution

The fourth proportional to 28,777.33, 43,118.47 and 13,160.53 is: 19,719.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,777.33 : 43,118.47 = 13,160.53 : x
  2. Step 2: Convert to fraction form
    28,777.33/43,118.47 = 13,160.53/x
  3. Step 3: Cross multiply
    28,777.33x = 43,118.47 × 13,160.53
  4. Step 4: Simplify right side
    28,777.33x = 567,461,917.99
  5. Step 5: Solve for x
    x = 567,461,917.99/28,777.33
  6. Step 6: Final answer
    x = 19,719.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.